The 744784039 is a common mode choke from Wurth Electronics Inc, designed for suppressing common-mode noise in various electronic applications. It is part of the WE-CMB series, known for its compact size and effective noise suppression.

Applications

• EMI filtering in power supplies.
• Noise suppression in signal lines.
• Common-mode noise reduction in USB interfaces.
• Filtering in automotive CAN bus systems.
• Suppression of conducted emissions in electronic devices.

Features

• High common-mode impedance.
• Low differential-mode impedance.
• Compact size.
• RoHS compliant.
• High current handling capability.

Benefits

• Effective suppression of common-mode noise.
• Minimal impact on differential signals.
• Space-saving design for compact applications.
• Compliance with environmental regulations.
• Suitable for high-current applications.

Additional Details

The 744784039 common mode choke is constructed using two identical windings wound on a single core. This configuration provides high impedance to common-mode currents while allowing differential-mode currents to pass through with minimal attenuation. The specific impedance characteristics, current rating, and dimensions can be found in the manufacturer's datasheet. It's commonly used in power supplies, signal lines, and data interfaces to suppress common-mode noise and improve signal integrity. The compact size makes it suitable for use in densely populated circuit boards. Proper soldering techniques should be used when mounting the choke to ensure a reliable electrical connection.